Troubleshooting

How to discover what is on your LAN (IPv4 and IPv6) or WLAN

This question comes up all the time, and the answers can be quite varied. Seems simple enough at first glance, right? But the problem is that things are not simple, especially in today’s networking. Here are some issues: Now there are a myriad of reasons any of these issues could exist. This article is not […]

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Troubleshooting Your Network Using Port Mirroring and Packet Capture

Scenario Let’s say you have a DHCP server running on a Cisco Switch that is behaving strangely and you want to examine the traffic over a couple of hours while not creating a gigantic unmanageable capture file. A note here: I am doing this on a Cisco switch, but most all vendor switches support this

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CSI-HO-020-A – Explore Packet Analysis with Wireshark Standard Edition – 2 Day

CellStream, Inc. – Telecom Consulting and Training!  2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students What Students are saying about this class “Best Wireshark course on the market – bar none!” “Instructor has great depth on the topics and can present

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CSI-HO-005 – Hands-On MPLS Troubleshooting Skills

   CellStream, Inc. – Telecom Consulting and Training!             2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 16 students   Course Description: CellStream has developed a number of variants of this skills-based course using MPLS network emulations and Wireshark.

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